package com.chi.controller;

import com.chi.pojo.User;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class MyController {

    @RequestMapping({"/", "/index"})
    public String toIndex(Model model){
        model.addAttribute("msg","hello shiro!");
        return "index";
    }

    @RequestMapping("/user/add")
    public String add(){
        return "user/add";
    }

    @RequestMapping("/user/update")
    public String update(){
        return "user/update";
    }

    @RequestMapping("/toLogin")
    public String toLogin(){
        return "login";
    }

    @RequestMapping("/login")
    public String login(String username, String password,Model model){
        //获取当前用户
        Subject subject = SecurityUtils.getSubject();
        //封装用户的登陆数据
        UsernamePasswordToken passwordToken = new UsernamePasswordToken(username, password);
        try {
            subject.login(passwordToken);//执行登录方法
            User user = (User) subject.getPrincipal();
            subject.getSession().setAttribute("loginUser",user);
            return "index";
        } catch (UnknownAccountException e) {//用户名错误异常
            model.addAttribute("msg","用户名错误！");
            return "login";
        } catch (IncorrectCredentialsException e) {//密码错误
            model.addAttribute("msg","密码错误!!!");
            return "login";
        }

    }

    @RequestMapping("/noAuth")
    @ResponseBody
    public String unAuthorized(){
        return "未被授权的页面！";
    }
}
